The extreme cold is not affecting only people, it's affecting their cars.

"If the vehicle hasn't been tuned up for awhile, (and) it's real cold outside, the engine's going to crank over for a longer period, which draws more amperage off the battery," said Kevin Boynton of Fazio Automotive. "You do that a couple times, the car may not start."

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It can be the battery, but other parts of the car can contribute. That's why a tuneup is recommended when temperatures plummet below zero.